In which season and what time of the day, there is photochemical smog?

Explanation

To answer the question regarding the season and time of day when photochemical smog occurs, we can follow these steps:

### Step 1: Understanding Photochemical Smog
Photochemical smog is a type of air pollution that is formed when sunlight reacts with pollutants such as nitrogen oxides and volatile organic compounds (VOCs), which include unsaturated hydrocarbons.

### Step 2: Identifying the Season
Photochemical smog is most prevalent during the **summer season**. This is because higher temperatures and increased sunlight enhance the chemical reactions that lead to the formation of smog.

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